安徽南部高坦断裂带地质特征及构造演化

高坦断裂带是皖南地区重要的断裂构造,形成于早古生代,印支燕山期活动强烈。根据地质及物探资料,推断其切穿岩石圈,深达上地幔。作为安徽二级构造单元的分界线,它也是褶皱、岩浆岩、矿产等的构造控制线。沿断裂带发育构造岩浆活动带,矿化蚀变强烈,为重要的控岩、控矿构造带。因此,探讨高坦断裂带的构造演化对寻找内生金属矿产具有重要意义。

Geological characteristics and tectonic evolution of the Gaotan fault zone in southern Anhui Province

The Gaotan fault zone is an important fault structure in southern Anhui Province, which was formed in the Early Paleozoic and was strongly active in the Indosinian Yanshanian period. Geophysical data suggest that this fault zone cuts through the lithosphere and reaches the upper mantle. As the dividing line of the secondary tectonic unit in Anhui Province, the Gaotan fault zone also controls the fold type, magmatic rock, mineral resources, etc. Along the fault zone, tectonic magmatic active zone is developed, with strong mineralization alteration, which is an important structure controlling the magmatic rocks and metallogenesis. Therefore, it is very important to study the tectonic evolution of Gaotan fault zone for the prospecting of regional endogenous metallic minerals